136805782 has 16 divisors (see below), whose sum is σ = 208645632. Its totient is φ = 67262440.

The previous prime is 136805741. The next prime is 136805827. The reversal of 136805782 is 287508631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65283 + ... + 67345.

It is an arithmetic number, because the mean of its divisors is an integer number (13040352).

Almost surely, 2^136805782 is an apocalyptic number.

136805782 is a deficient number, since it is larger than the sum of its proper divisors (71839850).

136805782 is a wasteful number, since it uses less digits than its factorization.

136805782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 136805782 is about 11696.4003864437. The cubic root of 136805782 is about 515.2699524172.

The spelling of 136805782 in words is "one hundred thirty-six million, eight hundred five thousand, seven hundred eighty-two".